#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
using namespace std;
class A
{
public:
	A(int a)
	:_a(a)
	{}
private:
	int _a;
};

int main()
{
	//int a = 10, b = 20, c = 30;
	//A a(10); A b(20); A c(30);
	A* a1[3];// = { &a,&b,&c };
	/*const int a = 10;
	int* p = (int*)(&a);
	*p = 20;
	cout << a << " " << *p << endl;
	return 0;*/
	return 0;
}